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Classification and external resources
Specialty medical genetics
ICD-10 Q17.1
ICD-9-CM 744.22
eMedicine plastic/454

Macrotia refers to an ear which is larger than would be expected.[1] The normal auricular axis length is 58–62 mm among females and 62–66 mm among males.[2]

In some cases, surgery (otoplasty) is performed to reduce the size.[3][4]


  1. ^ "Macrotia" at Dorland's Medical Dictionary
  2. ^ Bray, Jr., M.D., David. "Macrotia Ear Reductions". Retrieved December 28, 2011. 
  3. ^ Tuncer S, Demir Y, Atabay K (November 2008). "A Simple Surgical Technique for Correction of Macrotia with Poorly Defined Helical Fold". Aesthetic Plast Surg. 34 (2): 136–40. doi:10.1007/s00266-008-9268-x. PMID 19030922. 
  4. ^ Yuen A, Coombs CJ (2006). "Reduction otoplasty: correction of the large or asymmetric ear". Aesthetic Plast Surg. 30 (6): 675–8. doi:10.1007/s00266-006-0119-3. PMID 17077956.